We do not have a download file for the latest version (4.1.5), but you can try downloading it from the developer's site
Download version 4.1.5 from the developer's website
Version: 4.1.5 (x64)
Date update: Nov 5, 2019
File name: Flame_Painter_4_Demo_64bit_v4.0_Windows.zip
Size: 105 MB